222123131011 has 8 divisors (see below), whose sum is σ = 222394800960. Its totient is φ = 221851543872.

The previous prime is 222123131003. The next prime is 222123131017. The reversal of 222123131011 is 110131321222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222123131011 - 2³ = 222123131003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222123131011.

It is not an unprimeable number, because it can be changed into a prime (222123131017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6615181 + ... + 6648673.

It is an arithmetic number, because the mean of its divisors is an integer number (27799350120).

Almost surely, 2^222123131011 is an apocalyptic number.

222123131011 is a deficient number, since it is larger than the sum of its proper divisors (271669949).

222123131011 is an equidigital number, since it uses as much as digits as its factorization.

222123131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41405.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 222123131011 its reverse (110131321222), we get a palindrome (332254452233).

The spelling of 222123131011 in words is "two hundred twenty-two billion, one hundred twenty-three million, one hundred thirty-one thousand, eleven".